24
Int Preamp
Turn on or off the preamplifier located at front of RF. When the function enabled, the
preamplifier will reduce the display average noise level in order to distinguish the
small
signal among noises.
Key points:
The icon will be displayed on the left screen when the preamplifier is on.
Max Mix Level
Set max input level of mixer according to the manaitude of signal.
Key points:
For bigger input signal, select small max mixing level in order to increase input
attenuation and reduce distortion. For smaller input signal, select big max mixing
level in order to reduce input attenuation and distortion.
Paramter in formula 2-3, are always changing on the basis of max mixing level.
You can modify this parameter by numeric keys, knob and arrow keys. For more
details, please refer to “
Parameter Input
”.
Table 2-11 Max mix level
Parameter
Description
Default
-10dBm
Range
-50 dBm ~ 0 dBm
Unit
dBm, -dBm, mV, uV
Knob Step
1 dBm
Arrow Keys Step
10 dBm
